<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
有彩蛋噢！！！！
<script type="text/javascript">
    /*js使用多行注释*/
    window.onload = () => {
        console.log("HelloWorld!")
    }
</script>

<script type="text/javascript" src="../../script/demo-script/external-test.js"></script>
</body>
</html>